Interesting.
«A diet rich in high-fiber plants has more than enough protein and micronutrients to make up for a lack of dairy—and the vitamin D that’s added to milk can just as well be added to other foods, taken as a supplement, or siphoned from the sun.
….
we should worry less about the harmful effects of single nutrients and more about the harms done by producing food. At this point, the clearest drawbacks to consuming animal products are not nutritional but environmental, with animal agriculture contributing to antibiotic resistance, deforestation, and climate change. While there is room for debate over the ideal amounts of saturated fat in human blood, the need to move toward an environmentally sustainable food system is unambiguous.»
Here, Read This 